diff --git a/porting/nimble/src/hal_timer.c b/porting/nimble/src/hal_timer.c
index 568ab0c7f..aa78bf9a2 100644
--- a/porting/nimble/src/hal_timer.c
+++ b/porting/nimble/src/hal_timer.c
@@ -538,8 +538,14 @@ hal_timer_init(int timer_num, void *cfg)
 
     /* Disable IRQ, set priority and set vector in table */
     NVIC_DisableIRQ(irq_num);
+#ifndef RIOT_VERSION
     NVIC_SetPriority(irq_num, (1 << __NVIC_PRIO_BITS) - 1);
+#endif
+#if MYNEWT
     NVIC_SetVector(irq_num, (uint32_t)irq_isr);
+#else
+    ble_npl_hw_set_isr(irq_num, irq_isr);
+#endif
 
     return 0;